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1、108NOTESTheredocumentsareshipbuildingqualitystandardimplementedbyouryardpresently.TheyconsistoftwopartslikeQUALITYCONTROLTHROUGHPRODUCTIONandCONSTRUCTIONACCURACYTakenasamainbasisfortheshipbuildinginouryard,thisconstructionaccuracyismadeaccordingtothe
2、shipbuildingqualitystandardinadvancedshipbuildingnations,internationalconventionsaswellasrulesandregulationsofsomewell-knownclassificationsocieties.Forthispurpose,werequire:1.detailedworkmanshipanddrawings,ifnootherspecificrestriction,complywiththere
3、spectiverequirementsstatedinthisSTANDARD.Incaseofdifference,thisSTANDARDshallgovernall.2.shouldtherebesomeitemsinthenewbuildingcontractortechnicalspecificationofhigherrequirementthanthisSTANDARD,theseitemsshouldberegardedasanexceptionandperformedacco
4、rdingtospecificrequirementotherwiseannounced.108CONTENTSPART1QUALITYCONTROLTHROUGHPRODUCTION1STEELMATERIALANDPROCESSING………………………………………61.1Steelmaterial……………………………………………………………………..61.2Steelprocessing…………………………………………………………………...62FIXINGANDASSEMBLING………
5、……………………………………………72.1Fixingandassemblingofpartsandmembers………………………………….…72.2Blockassembling…………………………………………………………………73WELDING……………………………………………………………………….83.1Preparationbeforewelding……………………………………………….………83.2Weldingprocess………………………………………………………………….83.
6、3Weldinginspection……………………………………………………………….83.4Keypointsofqualitycontrol……………………………………………………..94TIGHTNESSTEST………………………………………………………………..95FABRICATION,FIXING,TIGHTNESSTESTINGANDFLUSHINGOFPIPES………………………………………………………………………………105.1Fabricationofpipes…………………
7、……………………………………..…….105.2Fixingofpipesandfittings…………………………………………………….115.3Tightnesstestingofpipingsystem……………………………………………....125.4Flushingofpipes…………………………………………………………………126PAINTING………………………………………………………………...………136.1Pre-treatmentofsteelsurface…………………
8、…………………………………136.2Shopprimertouch-up………………………………………………………….....136.3Secondaryderustingandsurfacecleaning…………………………………...….136.4Paintingwork…………………………………………………………………..137HULLOUTFITTING……………………………………………………………137.1Pre-outfittingofshipequipment…………………………
